/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraEditorSettings.h
typedef TMulticastDelegate_TwoParams< void, const [FString](API\Runtime\Core\Containers\FString) &, const [UNiagaraEditorSettings](API\Plugins\NiagaraEditor\UNiagaraEditorSettings) * > FOnNiagaraEditorSettingsChanged